Home / 676,987.67-934,237.19-371,081.05

Finding the Fourth Proportional to 676,987.67, 934,237.19 and 371,081.05

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Solution

The fourth proportional to 676,987.67, 934,237.19 and 371,081.05 is: 512,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,987.67 : 934,237.19 = 371,081.05 : x
  2. Step 2: Convert to fraction form
    676,987.67/934,237.19 = 371,081.05/x
  3. Step 3: Cross multiply
    676,987.67x = 934,237.19 × 371,081.05
  4. Step 4: Simplify right side
    676,987.67x = 346,677,716,006.36
  5. Step 5: Solve for x
    x = 346,677,716,006.36/676,987.67
  6. Step 6: Final answer
    x = 512,088.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.